/**
 * Created by jiachenpan on 16/11/18.
 */

export function parseTime(time, cFormat) {
	if (arguments.length === 0) {
		return null;
	}
	const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}';
	let date;
	if (typeof time === 'object') {
		date = time;
	} else {
		if (('' + time).length === 10) time = parseInt(time) * 1000;
		date = new Date(time);
	}
	const formatObj = {
		y: date.getFullYear(),
		m: date.getMonth() + 1,
		d: date.getDate(),
		h: date.getHours(),
		i: date.getMinutes(),
		s: date.getSeconds(),
		a: date.getDay()
	};
	const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
		let value = formatObj[key];
		// Note: getDay() returns 0 on Sunday
		if (key === 'a') {
			return ['日', '一', '二', '三', '四', '五', '六'][value];
		}
		if (result.length > 0 && value < 10) {
			value = '0' + value;
		}
		return value || 0;
	});
	return time_str;
}

export function formatTime(time, option) {
	time = +time * 1000;
	const d = new Date(time);
	const now = Date.now();

	const diff = (now - d) / 1000;

	if (diff < 30) {
		return '刚刚';
	} else if (diff < 3600) {
		// less 1 hour
		return Math.ceil(diff / 60) + '分钟前';
	} else if (diff < 3600 * 24) {
		return Math.ceil(diff / 3600) + '小时前';
	} else if (diff < 3600 * 24 * 2) {
		return '1天前';
	}
	if (option) {
		return parseTime(time, option);
	} else {
		return d.getMonth() + 1 + '月' + d.getDate() + '日' + d.getHours() + '时' + d.getMinutes() + '分';
	}
}

// 格式化时间
export function getQueryObject(url) {
	url = url == null ? window.location.href : url;
	const search = url.substring(url.lastIndexOf('?') + 1);
	const obj = {};
	const reg = /([^?&=]+)=([^?&=]*)/g;
	search.replace(reg, (rs, $1, $2) => {
		const name = decodeURIComponent($1);
		let val = decodeURIComponent($2);
		val = String(val);
		obj[name] = val;
		return rs;
	});
	return obj;
}

/**
 *get getByteLen
 * @param {Sting} val input value
 * @returns {number} output value
 */
export function getByteLen(val) {
	let len = 0;
	for (let i = 0; i < val.length; i++) {
		if (val[i].match(/[^\x00-\xff]/gi) != null) {
			len += 1;
		} else {
			len += 0.5;
		}
	}
	return Math.floor(len);
}

export function cleanArray(actual) {
	const newArray = [];
	for (let i = 0; i < actual.length; i++) {
		if (actual[i]) {
			newArray.push(actual[i]);
		}
	}
	return newArray;
}

export function param(json) {
	if (!json) return '';
	return cleanArray(
		Object.keys(json).map(key => {
			if (json[key] === undefined) return '';
			return encodeURIComponent(key) + '=' + encodeURIComponent(json[key]);
		})
	).join('&');
}

export function param2Obj(url) {
	const search = url.split('?')[1];
	if (!search) {
		return {};
	}
	return JSON.parse(
		'{"' +
			decodeURIComponent(search)
				.replace(/"/g, '\\"')
				.replace(/&/g, '","')
				.replace(/=/g, '":"') +
			'"}'
	);
}

export function html2Text(val) {
	const div = document.createElement('div');
	div.innerHTML = val;
	return div.textContent || div.innerText;
}

export function objectMerge(target, source) {
	/* Merges two  objects,
     giving the last one precedence */

	if (typeof target !== 'object') {
		target = {};
	}
	if (Array.isArray(source)) {
		return source.slice();
	}
	Object.keys(source).forEach(property => {
		const sourceProperty = source[property];
		if (typeof sourceProperty === 'object') {
			target[property] = objectMerge(target[property], sourceProperty);
		} else {
			target[property] = sourceProperty;
		}
	});
	return target;
}

export function toggleClass(element, className) {
	if (!element || !className) {
		return;
	}
	let classString = element.className;
	const nameIndex = classString.indexOf(className);
	if (nameIndex === -1) {
		classString += '' + className;
	} else {
		classString = classString.substr(0, nameIndex) + classString.substr(nameIndex + className.length);
	}
	element.className = classString;
}

export const pickerOptions = [
	{
		text: '今天',
		onClick(picker) {
			const end = new Date();
			const start = new Date(new Date().toDateString());
			end.setTime(start.getTime());
			picker.$emit('pick', [start, end]);
		}
	},
	{
		text: '最近一周',
		onClick(picker) {
			const end = new Date(new Date().toDateString());
			const start = new Date();
			start.setTime(end.getTime() - 3600 * 1000 * 24 * 7);
			picker.$emit('pick', [start, end]);
		}
	},
	{
		text: '最近一个月',
		onClick(picker) {
			const end = new Date(new Date().toDateString());
			const start = new Date();
			start.setTime(start.getTime() - 3600 * 1000 * 24 * 30);
			picker.$emit('pick', [start, end]);
		}
	},
	{
		text: '最近三个月',
		onClick(picker) {
			const end = new Date(new Date().toDateString());
			const start = new Date();
			start.setTime(start.getTime() - 3600 * 1000 * 24 * 90);
			picker.$emit('pick', [start, end]);
		}
	}
];

export function getTime(type) {
	if (type === 'start') {
		return new Date().getTime() - 3600 * 1000 * 24 * 90;
	} else {
		return new Date(new Date().toDateString());
	}
}

export function debounce(func, wait, immediate) {
	let timeout, args, context, timestamp, result;

	const later = function() {
		// 据上一次触发时间间隔
		const last = +new Date() - timestamp;

		// 上次被包装函数被调用时间间隔last小于设定时间间隔wait
		if (last < wait && last > 0) {
			timeout = setTimeout(later, wait - last);
		} else {
			timeout = null;
			// 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
			if (!immediate) {
				result = func.apply(context, args);
				if (!timeout) context = args = null;
			}
		}
	};

	return function(...args) {
		context = this;
		timestamp = +new Date();
		const callNow = immediate && !timeout;
		// 如果延时不存在，重新设定延时
		if (!timeout) timeout = setTimeout(later, wait);
		if (callNow) {
			result = func.apply(context, args);
			context = args = null;
		}

		return result;
	};
}

/**
 * This is just a simple version of deep copy
 * Has a lot of edge cases bug
 * If you want to use a perfect deep copy, use lodash's _.cloneDeep
 */
export function deepClone(source) {
	if (!source && typeof source !== 'object') {
		throw new Error('error arguments', 'shallowClone');
	}
	const targetObj = source.constructor === Array ? [] : {};
	Object.keys(source).forEach(keys => {
		if (source[keys] && typeof source[keys] === 'object') {
			targetObj[keys] = deepClone(source[keys]);
		} else {
			targetObj[keys] = source[keys];
		}
	});
	return targetObj;
}

export function uniqueArr(arr) {
	return Array.from(new Set(arr));
}

export function isExternal(path) {
	return /^(https?:|mailto:|tel:)/.test(path);
}

export function beautySub(str, len) {
	var reg = /[\u4e00-\u9fa5]/g, // 专业匹配中文
		slice = str.substring(0, len),
		chineseCharNum = ~~(slice.match(reg) && slice.match(reg).length),
		realen = slice.length * 2 - chineseCharNum;
	return str.substr(0, realen) + (realen < str.length ? '...' : '');
}

export function uniq(array) {
	var temp = []; // 一个新的临时数组
	for (var i = 0; i < array.length; i++) {
		if (temp.indexOf(array[i]) == -1) {
			temp.push(array[i]);
		}
	}
	return temp;
}

export function treeFormat(listArray, checkArray = []) {
	var temp = [];
	for (var i = 0; i < listArray.length; i++) {
		let newobj = {
			title: listArray[i].name,
			id: listArray[i].id,
			expand: true
		};
		if (listArray[i].lists && listArray[i].lists.length > 0) {
			newobj['children'] = treeFormat(listArray[i].lists, checkArray);
		} else {
			newobj['children'] = [];
			if (checkArray.indexOf(listArray[i].id) > -1) {
				newobj['checked'] = true;
			}
		}
		temp.push(newobj);
	}
	return temp;
}

// 判断元素是否在数组中
export function is_arrary(arrary, i) {
	if (arrary.indexOf(i) >= 0) {
		return true;
	} else {
		return false;
	}
}

export function getDataTime(date) {
	if (date) {
		return Date.parse(new Date(date)) / 1000;
	}
	return Date.parse(new Date()) / 1000;
}
